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Old 11-14-2006, 01:54 PM   #1
mrxoliver
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Registered: Jan 2006
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trend line / line of best fit OO.org


Just wondered if anyone knows an easy way of putting a line of best fit into calc (eg. http://www.bbc.co.uk/schools/gcsebit.../ma03024_2.gif) like you can in excel or if anyone has written a macro to do this, otherwise I'll suggest this to the OO team.

Thanks
 
Old 11-15-2006, 03:19 PM   #2
bigrigdriver
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If you want to show a trend, as a prediction of future values from present and past known values, use the trend() function.

If you want a best-fit line ala least-squares, use the linest() function.

You can get more info from the OpenOffice.org Calc Help manual.

I found this in re linest: http://justlinux.com/forum/archive/i.../t-145367.html

And this site has OpenOffice.org macros, two of which refer to least-squares fitting: http://sourceforge.net/project/showf...group_id=87718
 
Old 11-15-2006, 03:21 PM   #3
bigalexe
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i normally use a graphing calc to do those kinds of things however ive never done it on PC
 
  


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